Finding the Fourth Proportional to 2,488.05, 3,730.72 and 927.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.05 : 3,730.72 = 927.99 : x
2. Step 2: Convert to fraction form
   2,488.05/3,730.72 = 927.99/x
3. Step 3: Cross multiply
   2,488.05x = 3,730.72 × 927.99
4. Step 4: Simplify right side
   2,488.05x = 3,462,070.85
5. Step 5: Solve for x
   x = 3,462,070.85/2,488.05
6. Step 6: Final answer
   x = 1,391.48